Numerical investigation of compliance equations used in the R‐curve testing for clamped SE(T) specimens
Bibliographic record
Abstract
Abstract Three‐dimensional finite element analysis of clamped single‐edge tension specimen is performed to examine the accuracy of the crack‐mouth opening displacement compliance equations reported in the literature. The analysis covered both plane‐sided and side‐grooved specimens with a wide range of specimen configurations including nine relative crack lengths ( a / W ) ranging from 0.1 to 0.9 and seven relative thicknesses ( B / W ) ranging from 0.25 to 4. Based on the finite element analysis results, the crack length/compliance modification factors ( ρ ( a / W ) and ρ ( BCE ) ) are developed to improve the accuracy of the compliance equations. The results of this study can improve the accuracy of the experimentally determined J‐R and CTOD– R curves using the single‐specimen technique and single‐edge tension specimens.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".